If A- 5 6 3- -4 3 2- -4 -7 3 - then cofactors of the elements of 2nd row are

The correct option is D 39, 27, 11C_21 = ( 1)^2+1(18+21) = 39 C_22 = ( 1)^2+2(15+12) = 27 C_23 = ( 1)^2+3( 35+24) = 11 . ...

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Cofactor

If A=|[ 5 6 3...

Question

If A = $∣ ∣ ∣ ∣ \begin{matrix} 5 & 6 & 3 - 4 & 3 & 2 - 4 & - 7 & 3 \end{matrix} ∣ ∣ ∣ ∣,$ then cofactors of the elements of $2^{n d}$ row are

39, -3, 11

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-39, 3, 11

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-39, 27, 11

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-39, -3, 11

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∣ ∣ ∣ ∣ \begin{matrix} 5 & 6 & 3 - 4 & 3 & 2 - 4 & - 7 & 3 \end{matrix} ∣ ∣ ∣ ∣,

2^{n d}

∣ ∣ ∣ ∣ \begin{matrix} 2 & - 1 & 4 4 & 2 & - 3 1 & 1 & 2 \end{matrix} ∣ ∣ ∣ ∣

△ = ∣ ∣ ∣ ∣ \begin{matrix} 5 & 3 & 8 2 & 0 & 1 1 & 2 & 3 \end{matrix} ∣ ∣ ∣ ∣

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